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存量题库数据更新
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@@ -6,13 +6,13 @@
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"boundTopicId": null,
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"title": "Join Two Arrays by ID",
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"titleSlug": "join-two-arrays-by-id",
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"content": "<p>Given two arrays <code>arr1</code> and <code>arr2</code>, return a new array <code>joinedArray</code>. All the objects in each of the two inputs arrays will contain an <code>id</code> field that has an integer value. <code>joinedArray</code> is an array formed by merging <code>arr1</code> and <code>arr2</code> based on their <code>id</code> key. The length of <code>joinedArray</code> should be the length of unique values of <code>id</code>. The returned array should be sorted in <strong>ascending</strong> order based on the <code>id</code> key.</p>\n\n<p>If a given <code>id</code> exists in one array but not the other, the single object with that <code>id</code> should be included in the result array without modification.</p>\n\n<p>If two objects share an <code>id</code>, their properties should be merged into a single object:</p>\n\n<ul>\n\t<li>If a key only exists in one object, that single key-value pair should be included in the object.</li>\n\t<li>If a key is included in both objects, the value in the object from <code>arr2</code> should override the value from <code>arr1</code>.</li>\n</ul>\n\n<p> </p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> \narr1 = [\n {"id": 1, "x": 1},\n {"id": 2, "x": 9}\n], \narr2 = [\n {"id": 3, "x": 5}\n]\n<strong>Output:</strong> \n[\n {"id": 1, "x": 1},\n {"id": 2, "x": 9},\n {"id": 3, "x": 5}\n]\n<strong>Explanation:</strong> There are no duplicate ids so arr1 is simply concatenated with arr2.\n</pre>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> \narr1 = [\n {"id": 1, "x": 2, "y": 3},\n {"id": 2, "x": 3, "y": 6}\n], \narr2 = [\n {"id": 2, "x": 10, "y": 20},\n {"id": 3, "x": 0, "y": 0}\n]\n<strong>Output:</strong> \n[\n {"id": 1, "x": 2, "y": 3},\n {"id": 2, "x": 10, "y": 20},\n {"id": 3, "x": 0, "y": 0}\n]\n<strong>Explanation:</strong> The two objects with id=1 and id=3 are included in the result array without modifiction. The two objects with id=2 are merged together. The keys from arr2 override the values in arr1.\n</pre>\n\n<p><strong class=\"example\">Example 3:</strong></p>\n\n<pre>\n<strong>Input:</strong> \narr1 = [\n {"id": 1, "b": {"b": 94},"v": [4, 3], "y": 48}\n]\narr2 = [\n {"id": 1, "b": {"c": 84}, "v": [1, 3]}\n]\n<strong>Output:</strong> [\n {"id": 1, "b": {"c": 84}, "v": [1, 3], "y": 48}\n]\n<strong>Explanation:</strong> The two objects with id=1 are merged together. For the keys "b" and "v" the values from arr2 are used. Since the key "y" only exists in arr1, that value is taken form arr1.</pre>\n\n<p> </p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>arr1 and arr2 are valid JSON arrays</code></li>\n\t<li><code>Each object in arr1 and arr2 has a unique integer id key</code></li>\n\t<li><code>2 <= JSON.stringify(arr1).length <= 10<sup>6</sup></code></li>\n\t<li><code>2 <= JSON.stringify(arr2).length <= 10<sup>6</sup></code></li>\n</ul>\n",
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"content": "<p>Given two arrays <code>arr1</code> and <code>arr2</code>, return a new array <code>joinedArray</code>. All the objects in each of the two inputs arrays will contain an <code>id</code> field that has an integer value. <code>joinedArray</code> is an array formed by merging <code>arr1</code> and <code>arr2</code> based on their <code>id</code> key. The length of <code>joinedArray</code> should be the length of unique values of <code>id</code>. The returned array should be sorted in <strong>ascending</strong> order based on the <code>id</code> key.</p>\n\n<p>If a given <code>id</code> exists in one array but not the other, the single object with that <code>id</code> should be included in the result array without modification.</p>\n\n<p>If two objects share an <code>id</code>, their properties should be merged into a single object:</p>\n\n<ul>\n\t<li>If a key only exists in one object, that single key-value pair should be included in the object.</li>\n\t<li>If a key is included in both objects, the value in the object from <code>arr2</code> should override the value from <code>arr1</code>.</li>\n</ul>\n\n<p> </p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> \narr1 = [\n {"id": 1, "x": 1},\n {"id": 2, "x": 9}\n], \narr2 = [\n {"id": 3, "x": 5}\n]\n<strong>Output:</strong> \n[\n {"id": 1, "x": 1},\n {"id": 2, "x": 9},\n {"id": 3, "x": 5}\n]\n<strong>Explanation:</strong> There are no duplicate ids so arr1 is simply concatenated with arr2.\n</pre>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> \narr1 = [\n {"id": 1, "x": 2, "y": 3},\n {"id": 2, "x": 3, "y": 6}\n], \narr2 = [\n {"id": 2, "x": 10, "y": 20},\n {"id": 3, "x": 0, "y": 0}\n]\n<strong>Output:</strong> \n[\n {"id": 1, "x": 2, "y": 3},\n {"id": 2, "x": 10, "y": 20},\n {"id": 3, "x": 0, "y": 0}\n]\n<strong>Explanation:</strong> The two objects with id=1 and id=3 are included in the result array without modifiction. The two objects with id=2 are merged together. The keys from arr2 override the values in arr1.\n</pre>\n\n<p><strong class=\"example\">Example 3:</strong></p>\n\n<pre>\n<strong>Input:</strong> \narr1 = [\n {"id": 1, "b": {"b": 94},"v": [4, 3], "y": 48}\n]\narr2 = [\n {"id": 1, "b": {"c": 84}, "v": [1, 3]}\n]\n<strong>Output:</strong> [\n {"id": 1, "b": {"c": 84}, "v": [1, 3], "y": 48}\n]\n<strong>Explanation:</strong> The two objects with id=1 are merged together. For the keys "b" and "v" the values from arr2 are used. Since the key "y" only exists in arr1, that value is taken form arr1.</pre>\n\n<p> </p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>arr1</code> and <code>arr2</code> are valid JSON arrays</li>\n\t<li>Each object in <code>arr1</code> and <code>arr2</code> has a unique integer <code>id</code> key</li>\n\t<li><code>2 <= JSON.stringify(arr1).length <= 10<sup>6</sup></code></li>\n\t<li><code>2 <= JSON.stringify(arr2).length <= 10<sup>6</sup></code></li>\n</ul>\n",
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"translatedTitle": null,
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"translatedContent": null,
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"difficulty": "Medium",
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"likes": 13,
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"exampleTestcases": "[{\"id\": 1,\"x\": 1},{\"id\": 2,\"x\": 9}]\n[{\"id\": 3,\"x\": 5}]\n[{\"id\": 1,\"x\": 2,\"y\": 3},{\"id\": 2,\"x\": 3,\"y\": 6}]\n[{\"id\": 2,\"x\": 10,\"y\": 20},{\"id\": 3,\"x\": 0,\"y\": 0}]\n[{\"id\":1,\"b\":{\"b\": 94},\"v\":[4,3],\"y\":48}]\n[{\"id\":1,\"b\":{\"c\": 84},\"v\":[1,3]}]",
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@@ -30,13 +30,20 @@
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{
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"lang": "TypeScript",
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"langSlug": "typescript",
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"code": "function join(arr1: any[], arr2: any[]): any[] {\n\n};",
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"code": "type JSONValue = null | boolean | number | string | JSONValue[] | { [key: string]: JSONValue };\n\nfunction join(arr1: JSONValue[], arr2: JSONValue[]): JSONValue[] {\n\t\n};",
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"__typename": "CodeSnippetNode"
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}
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"hints": [],
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"solution": null,
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"solution": {
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"id": "1996",
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"__typename": "ArticleNode"
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},
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"status": null,
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"sampleTestCase": "[{\"id\": 1,\"x\": 1},{\"id\": 2,\"x\": 9}]\n[{\"id\": 3,\"x\": 5}]",
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"metaData": "{\n \"name\": \"join\",\n \"params\": [\n {\n \"name\": \"arr1\",\n \"type\": \"string\"\n },\n {\n \"type\": \"string\",\n \"name\": \"arr2\"\n }\n ],\n \"return\": {\n \"type\": \"string\"\n },\n \"languages\": [\n \"javascript\",\n \"typescript\"\n ],\n \"manual\": true\n}",
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@@ -46,7 +53,7 @@
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